wierd spots on aro?

[valderi123]

My aro is slowly developing these spots on its scales any Ideas? For what ever it's worth only one aro has it and all the other fish and rays are fine.

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thanks for looking.

 

[ICHIBAN TROPICAL FISH]

That just nomal he may got bump in something should go way latter also add some salt

 

[valderi123]

thats kind of what I was thinking. I had a large pbass and they didn't get along but the bass has been rehomed.